EN-MC21110 Magnesium vs. 242.0 Aluminum
EN-MC21110 magnesium belongs to the magnesium alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN-MC21110 magnesium and the bottom bar is 242.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 58 to 63 | |
| 70 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 73 |
| Elongation at Break, % | 2.8 to 6.7 | |
| 0.5 to 1.5 |
| Fatigue Strength, MPa | 75 to 78 | |
| 55 to 110 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 27 |
| Shear Strength, MPa | 120 to 160 | |
| 150 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 180 to 290 |
| Tensile Strength: Yield (Proof), MPa | 100 to 120 | |
| 120 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 210 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 500 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 870 |
| Thermal Conductivity, W/m-K | 80 | |
| 130 to 170 |
| Thermal Expansion, µm/m-K | 26 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 33 to 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 96 to 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 1.7 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.9 to 14 | |
| 1.3 to 3.4 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 150 | |
| 110 to 340 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 69 | |
| 45 |
| Strength to Weight: Axial, points | 33 to 44 | |
| 16 to 26 |
| Strength to Weight: Bending, points | 45 to 54 | |
| 23 to 32 |
| Thermal Diffusivity, mm2/s | 47 | |
| 50 to 62 |
| Thermal Shock Resistance, points | 12 to 16 | |
| 8.0 to 13 |
Alloy Composition
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| Aluminum (Al), % | 7.0 to 8.7 | |
| 88.4 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.030 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 89.6 to 92.6 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0.1 to 0.35 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.7 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 to 0.35 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.15 |